Just last November, the mama of two boys introduced the world to Hannah.

But this morning, Brit posted the above photo and the following: "Say good morning to my new baby people."

Brit has yet to release the name of her new little furry friend, but big sister Hannah has a Twitter following of 400,000. No doubt, this white puffball will be popular on the social network site, as well.

Wonder if Brit will have a full-time dog sitter in Vegas? Her upcoming Sin City show is reportedly heading to Planet Hollywood.